39989145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 76301568

約数和(自身を除く): 36312423

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 1327, 1435, 2009, 3981, 4305, 6027, 6635, 9289, 10045, 19905, 27867, 30135, 46445, 54407, 65023, 139335, 163221, 195069, 272035, 325115, 380849, 816105, 975345, 1142547, 1904245, 2665943, 5712735, 7997829, 13329715, 39989145]

約数ペア:

[(1, 39989145), (3, 13329715), (5, 7997829), (7, 5712735), (15, 2665943), (21, 1904245), (35, 1142547), (41, 975345), (49, 816105), (105, 380849), (123, 325115), (147, 272035), (205, 195069), (245, 163221), (287, 139335), (615, 65023), (735, 54407), (861, 46445), (1327, 30135), (1435, 27867), (2009, 19905), (3981, 10045), (4305, 9289), (6027, 6635)]